In a mixing bowl, dissolve yeast in water; let stand 5 minutes. Add butter, sugar, milk powder, salt and 2 cups flour; beat on low for 3 minutes. Stir in enough remaining flour to form a soft dough. Turn onto a floured surface and knead until smooth and elastic, about 6-8 minutes. Place in a greased bowl; turn once to grease top. Cover and let rise in a warm place until doubled, about 1 hour. Punch dough down.
To prepare buns: Roll dough into a 16x10” rectangle. Spread with butter; sprinkle with sugar and cinnamon. Roll up from long side; pinch seam to seal. Cut into 12 slices; set aside. In saucepan, combine brown sugar, butter and corn syrup; cook over medium heat until the sugar is dissolved. Pour into a greased 9x13 baking pan. Place buns with cut side down over sauce. Cover and let rise until doubled, about an hour.
Bake at 375° for 20-25 minutes or until golden brown. Cool in a pan for 3 minutes. Invert on to serving platter.
Recipe by Coupon Cutting Mom at https://couponcuttingmom.com/my-favorite-sticky-bun-recipe/